body {
  font-family: "open sans", helvetica, arial, sans-serif;
}

.footer {
  padding-top: 5rem;
  padding-bottom: 5rem;
  background-color: #2c3e50;
  color: #fff;
}

.copyright {
  background-color: #1a252f;
}

#about {
  background-size: cover;
  background-position: top center;
  border-top: 1px solid #eee;
  border-bottom: 20px solid #00877f;
}

@media screen and (max-width: 768px) {
  .display-1 {
    font-size: 40px;
  }
}

.btn svg {
  display: inline-block;
  position: absolute;
  left: 10px;
  top: 10px;
}

nav .btn {
  position: relative;
  padding-left: 40px;
}

.btn-primary {
  background-color: #00877f;
  border-color: #00877f;
}
.btn-primary:hover, .btn-primary:focus {
  background-color: #00544f;
  border-color: #00544f;
}